29L-FG1L
2 – 1
TV
29L-FG1L
Service Manual
29L-FG1L
Market
E
CHAPTER 2.
IMPORTANT SERVICE NOTES
[1] IMPORTANT SERVICE NOTE
IMPORTANT SERVICE NOTES
Maintenance and repairing of this receiver should be done by
qualified service personnel only.
SERVICE OF HIGH VOLTAGE SYSTEM AND
PICTURE TUBE
When servicing the high voltage system, remove static charge from it by
connecting a 10K ohm resistor in series with an insulated wire (such as a test
probe) between picture tube dag and 2nd anode lead. (AC line cord should
be disconnected from AC outlet.)
1. Picture tube in this receiver employs integral implosion protection.
2. Replace with the same type number of picture tube for continued safety.
3. Do not lift picture tube by the neck.
4. Handle the picture tube only when wearing shatterproof goggles and after discharging
the high voltage completely.
X-RAY
This receiver is designed so that any X-Ray radiation is kept to an absolute
minimum. Since certain malfunctions or servicing may produce potentially
hazardous radiation with prolonged exposure at close range, the following
precautions should be observed:
1. When repairing the circuit, please make sure do not increase the high voltage of the set
to more then 34.0kV (at beam 0 A).
2. To keep the set in a normal operation, please make sure it's function at 30.0kV 1.5kV
(at beam 1700 A). The set has been factory - adjusted to the above-mentioned high voltage.
*If there is a possibility that the high voltage fluctuates as a result of the repaires,
never forget to check for such high voltage after the work.
3. Do not substitute a picture tube with unauthorized types and/or brands which may cause
excessive X-ray radiation.
BEFORE RETURNING THE RECEIVER
Before returning the receiver to the user, perform the following safety checks.
1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not
lodged between the chassis and other metal parts in the receiver.
2. Inspect all protective devices such as non-metal control knobs, insulating fishpapers,
cabinet backs, adjustment and compartment covers or shields, isolation resistor- ca-
pacity networks, mechanical insulators etc.
Summary of Contents for 29L-FG1L
Page 35: ...29L FG1L 8 2 ...
Page 38: ...29L FG1L 10 2 2 SCHEMATIC DIAGRAM MAIN UNIT ...
Page 39: ...29L FG1L 10 3 ...
Page 41: ...29L FG1L 11 2 ...
Page 42: ...29L FG1L 11 3 2 MAIN UNIT CHIP PARTS SIDE ...
Page 43: ...29L FG1L 11 4 ...
Page 44: ...29L FG1L 11 5 2 PWB B CRT UNIT ...
Page 61: ...29L FG1L 17 ...
